Those who know Bernie Sanders detect the influence of postwar stickball games, arguments over money between his parents and the work ethic instilled in him as a long-distance runner.
Clockwise from top left, Bernie Sanders in the 1959 James Madison High School yearbook; the house near Brooklyn College where Mr. Sanders lived while he attended the college; the buzzer at the apartment where he lived with his parents; James Madison High School. CreditMichelle V. Agins/The New York Times
